无缝管是一种具有中空截面、周边没有接缝的长条钢材。全世界生产无缝管的共计有110多个国家的1850多个公司下的5100多个生产厂，其中生产石油管的有44个国家的170多个公司下的260多个厂。
|
单位：Kg/m
|
壁 厚
|
|
|
|
|
|
|
|
外 径
|
3
|
3.5
|
4
|
4.5
|
5
|
5.5
|
6
|
|
32
|
2.146
|
2.460
|
2.762
|
3.052
|
3.329
|
3.594
|
3.847
|
|
38
|
2.589
|
2.978
|
3.354
|
3.718
|
4.069
|
4.408
|
4.735
|
|
42
|
2.885
|
3.323
|
3.749
|
4.162
|
4.562
|
4.951
|
5.327
|
|
45
|
3.107
|
3.582
|
4.044
|
4.495
|
4.932
|
5.358
|
5.771
|
|
50
|
3.477
|
4.014
|
4.538
|
5.049
|
5.549
|
6.036
|
6.511
|
|
54
|
3.773
|
4.359
|
4.932
|
5.493
|
6.042
|
6.578
|
7.103
|
|
57
|
3.995
|
4.618
|
5.228
|
5.826
|
6.412
|
6.985
|
7.546
|
|
60
|
4.217
|
4.877
|
5.524
|
6.159
|
6.782
|
7.392
|
7.990
|
|
63.5
|
4.476
|
5.179
|
5.869
|
6.548
|
7.214
|
7.867
|
8.508
|
|
68
|
4.809
|
5.567
|
6.313
|
7.047
|
7.768
|
8.477
|
9.174
|
|
70
|
4.957
|
5.740
|
6.511
|
7.269
|
8.015
|
8.749
|
9.470
|
|
73
|
5.179
|
5.999
|
6.807
|
7.602
|
8.385
|
9.156
|
9.914
|
|
76
|
5.401
|
6.258
|
7.103
|
7.935
|
8.755
|
9.563
|
10.358
|
|
89
|
6.363
|
7.380
|
8.385
|
9.378
|
10.358
|
11.326
|
12.281
|
|
108
|
7.768
|
9.020
|
10.259
|
11.486
|
12.701
|
13.903
|
15.093
|
|
133
|
11.178
|
12.725
|
14.261
|
15.783
|
17.294
|
18.792
|
|
|
159
|
13.422
|
15.290
|
17.146
|
18.989
|
20.821
|
22.639
|
|
|
219
|
18.601
|
21.209
|
23.805
|
26.388
|
28.959
|
31.517
|
|
|
273
|
23.262
|
26.536
|
29.797
|
33.046
|
36.283
|
39.508
|
|
|
325
|
27.750
|
31.665
|
35.568
|
39.458
|
43.337
|
47.202
|
|
|
355
|
38.897
|
43.158
|
47.406
|
51.641
|
|
|
|
|
377
|
41.339
|
45.871
|
50.390
|
54.897
|
|
|
|
|
426
|
46.777
|
51.913
|
57.036
|
62.147
|
|
|
|
|
450
|
|
|
|
|
|
|
|
|
480
|
|
|
|
|
|
|
|
|
530
|
|
|
|
|
|
|
|
|
630
|
|
|
|
|
|
|
|
|
单位：Kg/m
|
壁 厚
|
|
|
|
|
|
|
|
外 径
|
6.5
|
7
|
8
|
8.5
|
9
|
10
|
12
|
|
32
|
4.088
|
|
|
|
|
|
|
|
38
|
5.049
|
|
|
|
|
|
|
|
42
|
5.691
|
|
|
|
|
|
|
|
45
|
6.172
|
|
|
|
|
|
|
|
50
|
6.973
|
7.423
|
8.286
|
8.699
|
|
|
|
|
54
|
7.614
|
8.114
|
9.075
|
9.538
|
|
|
|
|
57
|
8.095
|
8.632
|
9.667
|
10.167
|
|
|
|
|
60
|
8.576
|
9.149
|
10.259
|
10.796
|
|
|
|
|
63.5
|
9.137
|
9.754
|
10.950
|
11.529
|
|
|
|
|
68
|
9.858
|
10.530
|
11.838
|
12.473
|
|
|
|
|
70
|
10.179
|
10.876
|
12.232
|
12.892
|
13.539
|
14.797
|
17.164
|
|
73
|
10.660
|
11.394
|
12.824
|
13.521
|
14.205
|
15.537
|
18.052
|
|
76
|
11.141
|
11.912
|
13.416
|
14.150
|
14.871
|
16.277
|
18.940
|
|
89
|
13.225
|
14.156
|
15.981
|
16.875
|
17.756
|
19.483
|
22.787
|
|
108
|
16.270
|
17.436
|
19.729
|
20.858
|
21.973
|
24.168
|
28.410
|
|
133
|
20.278
|
21.751
|
24.662
|
26.098
|
27.522
|
30.334
|
35.809
|
|
159
|
24.446
|
26.240
|
29.791
|
31.548
|
33.293
|
36.746
|
43.503
|
|
219
|
34.064
|
36.598
|
41.629
|
44.126
|
46.610
|
51.543
|
61.259
|
|
273
|
42.720
|
45.920
|
52.283
|
55.445
|
58.596
|
64.860
|
77.240
|
|
325
|
51.056
|
54.897
|
62.542
|
66.346
|
70.137
|
77.684
|
92.629
|
|
355
|
55.865
|
60.076
|
68.460
|
72.634
|
76.796
|
85.082
|
101.507
|
|
377
|
59.391
|
63.873
|
72.801
|
77.246
|
81.679
|
90.508
|
108.018
|
|
426
|
67.246
|
72.332
|
82.468
|
87.518
|
92.555
|
102.592
|
122.519
|
|
450
|
71.093
|
76.475
|
87.203
|
92.549
|
97.882
|
108.511
|
129.621
|
|
480
|
75.902
|
81.654
|
93.122
|
98.837
|
104.540
|
115.909
|
138.499
|
|
530
|
83.917
|
90.286
|
102.987
|
109.319
|
115.638
|
128.240
|
153.296
|
|
630
|
99.947
|
107.549
|
122.716
|
130.281
|
137.833
|
152.902
|
182.890
|
